Home / 717,130,391.40-1,076,008,472.91-251,126,281.44

Finding the Fourth Proportional to 717,130,391.40, 1,076,008,472.91 and 251,126,281.44

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Solution

The fourth proportional to 717,130,391.40, 1,076,008,472.91 and 251,126,281.44 is: 376,798,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,130,391.40 : 1,076,008,472.91 = 251,126,281.44 : x
  2. Step 2: Convert to fraction form
    717,130,391.40/1,076,008,472.91 = 251,126,281.44/x
  3. Step 3: Cross multiply
    717,130,391.40x = 1,076,008,472.91 × 251,126,281.44
  4. Step 4: Simplify right side
    717,130,391.40x = 270,214,006,599,821,280
  5. Step 5: Solve for x
    x = 270,214,006,599,821,280/717,130,391.40
  6. Step 6: Final answer
    x = 376,798,989.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.